Side-hung sashes that open wide for full airflow.
A uPVC casement window is hinged at the side and opens outward like a door, usually with a lever handle and a multi-point lock. It opens the full area of the sash, so it ventilates strongly and is easy to clean.
A casement opens its whole area for maximum ventilation and presses onto a gasket all round when shut, which helps sealing. Sliding suits tight swing space; casement suits airflow and seal.
It needs clear space outside. On walkways or narrow gaps we will suggest an alternative or an inward option.
A multi-point lock engages at several points along the sash for a firm, even close.
Yes. We will recommend it where noise or heat reduction matters for the room.
Yes — because the sash opens fully outward, the outer face is reachable from inside on most sizes.
Dedicated guides covering this product in more specific contexts — different rooms, use cases, and configurations.
Send your opening sizes and requirement, or message us with this product and we will take it from there.